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Catalog #: 503L-DCAD-40T
NEMA Size 3 Lighting Combo Contactor
Catalog #: 503L-DCAD-40T
NEMA Size 3 Lighting Combo Contactor
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Technical Specifications
Electrical
Voltage type for actuating | AC |
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Rated control supply voltage at AC 50 Hz | 240 V |
Rated control supply voltage at AC 60 Hz | 240 V |
Service limit current rating | 104 A |
Continuous current | 90 A |
Circuit closing inrush current peak including offset, max | 947 A |
Heat dissipation | 10 W (4...5 poles) |
Available short circuit amperes RMS symmetrical | 65000 A @ 480V |
Coil operating limits | 85...110% (4...5 poles) |
Circuit breaker type | Inverse time, standard interrupting capacity |
Operating volt amperes burden | Sealed: 58VA, 60 Hz coils (4...5 poles) |
Continuous current/horsepower | 7.5 Hp (motor protection), 100 A (feeder protection) |
Continuous ampere rating, max | 100 A @ non-motor & lighting loads |
Transformer primary switching kVA rating | 8.1 kVA @ 460V load voltage, 1-phase (inrush current = 20...40 times continuous current) |
Capacitor switching kVAR | 67 kVAR @ 575V, 3-phase (If maximum available current (at capacitor terminals) is greater than 3000 A, contact your local Rockwell Automation sales office, Allen-Bradley distributor, or NEMA ICS-2 standard) |
Features | Combination Lighting Contactors with Circuit Breaker |
Mechanical
Number of auxiliary contacts, max | 8 |
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Weight, approx | 90 lb |
Mechanical life operations | 5000000 |
Operating time, drop-out | 20 ms |
Operating time, pick-up | 37 ms |
Enclosure type | NEMA 4/4X stainless steel |
Construction
Required torque on power terminal wire clamps and pressure connectors or lugs | 150 lb.inch |
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Depth, approx | 9.88 mm |
Auxiliary contact material | Silver |
Type of power terminal | Pressure terminals |
Width, approx | 20.5 inch |
Height, approx | 30 inch |
Wire size | For power terminals: 8...1/0 AWG |
Power contact material | Silver alloy |
Requirements for sizing of wire | All wire rated 167 °F (75 °C) or higher must be sized per the local electrical code for 167 °F (75 °C) wire |
Environmental
Operating position | Vertical |
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Altitude | 10000 feet before derating |
Operating temperature | Starters with eutectic alloy overload relay (provided condensation is prevented): –13...149 °F (–25...65 °C) |
Corrosion-resistance | All metal parts are treated for corrosion-resistance |
Documentation
For all available documentation, please see the literature results.
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